Diamond saw blade



FIG. 1 is a top view of a diamond saw blade, according to the new design. The bottom view is a mirror image of the top view; and,

FIG. 2 is detail view of the portion “2” identified in FIG. 1.

The broken lines are included to identify the portion that is enlarged and form no part of the claimed design. 

CLAIM I claim the ornamental design for a diamond saw blade, as shown and described. 